30
16 29 22 30 18 23 24 19 26 17 25 28 21 20 27 
27 19 24 23 22 29 26 21 28 17 20 16 25 30 18 
25 17 20 23 28 27 29 24 30 26 19 18 16 21 22 
26 16 17 19 25 20 23 21 27 18 30 22 29 28 24 
26 25 20 18 17 28 22 27 24 19 16 23 29 21 30 
19 24 22 29 23 20 26 30 21 16 25 28 17 18 27 
29 26 22 20 24 27 17 21 25 16 30 19 18 23 28 
25 18 23 17 24 20 26 27 19 21 22 30 16 29 28 
21 16 20 19 22 24 29 26 18 28 27 17 30 25 23 
30 18 21 16 23 24 20 17 22 25 29 26 19 28 27 
25 16 26 23 21 30 19 17 18 22 20 28 24 29 27 
19 29 23 21 17 24 26 18 30 22 25 16 28 27 20 
22 19 29 30 20 28 24 16 26 18 17 21 27 25 23 
25 22 18 19 16 27 20 30 23 26 17 21 24 29 28 
21 18 26 25 20 29 22 28 19 23 27 17 24 16 30 
1 10 2 6 3 5 9 8 14 13 15 11 7 4 12 
4 9 14 8 13 3 6 1 15 10 7 11 12 5 2 
4 3 1 11 15 6 2 9 12 14 10 8 13 5 7 
10 6 15 12 4 11 7 5 8 13 3 1 2 14 9 
5 7 11 15 12 1 13 6 9 8 4 14 10 3 2 
6 4 14 9 1 12 13 5 7 2 8 10 11 3 15 
10 7 6 8 12 3 15 2 11 4 1 9 13 5 14 
15 2 9 5 13 3 10 12 6 8 14 11 1 7 4 
4 15 11 9 6 7 8 3 5 2 13 10 14 12 1 
7 5 8 11 1 12 14 9 6 10 15 2 13 4 3 
15 6 4 11 13 9 5 12 10 14 3 1 7 2 8 
13 4 10 15 2 7 12 5 1 9 8 14 11 6 3 
13 2 14 10 15 11 6 4 3 7 8 1 9 12 5 
5 15 4 13 14 2 1 9 12 11 8 10 7 3 6 
3 1 14 5 9 2 8 12 7 4 6 10 15 13 11 
forbidden 1 16
forbidden 1 17
forbidden 1 21
forbidden 1 23
forbidden 1 25
forbidden 1 26
forbidden 1 27
forbidden 1 28
forbidden 1 29
forbidden 1 30
forbidden 2 18
forbidden 2 21
forbidden 2 24
forbidden 2 27
forbidden 3 19
forbidden 3 21
forbidden 3 22
forbidden 3 29
forbidden 4 16
forbidden 4 19
forbidden 4 20
forbidden 4 22
forbidden 4 23
forbidden 4 26
forbidden 4 30
forbidden 5 16
forbidden 5 17
forbidden 5 18
forbidden 5 20
forbidden 5 26
forbidden 5 27
forbidden 5 30
forbidden 6 16
forbidden 6 18
forbidden 6 19
forbidden 6 20
forbidden 6 22
forbidden 6 23
forbidden 6 25
forbidden 7 19
forbidden 7 20
forbidden 7 21
forbidden 7 22
forbidden 7 24
forbidden 7 25
forbidden 7 28
forbidden 8 16
forbidden 8 17
forbidden 8 21
forbidden 8 24
forbidden 8 25
forbidden 8 26
forbidden 8 29
forbidden 8 30
forbidden 9 16
forbidden 9 28
forbidden 10 20
forbidden 10 25
forbidden 10 27
forbidden 10 29
forbidden 10 30
forbidden 11 18
forbidden 11 19
forbidden 11 20
forbidden 11 22
forbidden 11 24
forbidden 11 25
forbidden 11 29
forbidden 11 30
forbidden 12 17
forbidden 12 19
forbidden 12 20
forbidden 12 21
forbidden 12 24
forbidden 12 26
forbidden 12 27
forbidden 12 29
forbidden 12 30
forbidden 13 18
forbidden 13 21
forbidden 13 22
forbidden 13 24
forbidden 13 29
forbidden 13 30
forbidden 14 19
forbidden 14 21
forbidden 14 22
forbidden 14 25
forbidden 14 27
forbidden 14 28
forbidden 14 30
forbidden 15 16
forbidden 15 19
forbidden 15 25
forbidden 15 26
forbidden 15 27
forbidden 15 29
forbidden 15 30